Granted Patent
Utility
US 6,584,950 · App. 10/157,295
Oil pan
Inventor:
Robert R. Cunningham
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: May 29, 2002
Inventor
Robert R. Cunningham
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.